Home / 2,758.24-4,134.96-2,111.88

Finding the Fourth Proportional to 2,758.24, 4,134.96 and 2,111.88

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Solution

The fourth proportional to 2,758.24, 4,134.96 and 2,111.88 is: 3,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.24 : 4,134.96 = 2,111.88 : x
  2. Step 2: Convert to fraction form
    2,758.24/4,134.96 = 2,111.88/x
  3. Step 3: Cross multiply
    2,758.24x = 4,134.96 × 2,111.88
  4. Step 4: Simplify right side
    2,758.24x = 8,732,539.32
  5. Step 5: Solve for x
    x = 8,732,539.32/2,758.24
  6. Step 6: Final answer
    x = 3,165.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.